Question: When did Menachem Mendel Schneerson do his work for Likkutei Sichos?
Paraphrase: At what time did Mendel Schneerson do his work for Likkutei Sichos?
SPARQL (Wikidata): SELECT ?value WHERE { wd:Q381397 p:P800 ?s . ?s ps:P800 wd:Q2907320 . ?s pq:P582 ?value}